Keystone Solutions
Network Security Engineer
Keystone SolutionsBelgium5 days ago
Full-timeInformation Technology
Mission Overview:

Join Keystone Solutions as a consultant specializing in Infrastructure Vulnerability Management. In this consultancy mission, you will work closely with our client to identify and remediate infrastructure-level security vulnerabilities. As a Keystone Solutions consultant, you will deliver hands-on technical expertise and strategic guidance.

Key Responsibility:

  • Identify and remediate infrastructure-level security vulnerabilities.


Required Skills and Experience:

  • Proficiency with vulnerability scanning and analysis tools (Qualys, Nessus, Rapid7).
  • Deep knowledge of network systems, servers, and operating systems (Windows/Linux).
  • Risk analysis, remediation planning, and security posture improvement.
  • Knowledge of ISO 27001, NIST, and system hardening.


Consultancy Advantages with Keystone Solutions:

  • Consultancy Nature of Work: Operate as a Keystone Solutions consultant embedded with the client, delivering expert security services on-site and collaborating directly with their technical and business stakeholders.
  • Dynamic Projects: Tackle diverse vulnerability management challenges across varied infrastructures, tool stacks, and maturity levels—expanding your exposure beyond a single environment.
  • Turbo-Charged Learning and Development: Accelerate your growth through mentorship, peer knowledge-sharing, and access to relevant certifications and training aligned to Qualys, Nessus, Rapid7, ISO 27001, NIST, and hardening practices.
  • Ambition Skyrocketing within a Consultancy Framework: Build a standout consulting profile by delivering measurable security outcomes across multiple client engagements, opening pathways to lead roles, architecture tracks, or specialized expert positions.


Keystone Solutions Values in Every Client Engagement:

  • Client Impact: We prioritize tangible risk reduction and remediation effectiveness in every mission.
  • Craftsmanship: We uphold rigorous standards aligned to ISO 27001, NIST, and hardening best practices.
  • Ownership: We take accountability from discovery to remediation planning and validation.
  • Team Spirit: We collaborate transparently with client and Keystone teams to ensure sustainable outcomes.
  • Integrity: We advocate for security decisions grounded in evidence, risk, and business context.


Role-Specific Impact in a Consultancy Context:

As a Keystone Solutions consultant, you will apply vulnerability scanning and risk analysis expertise across multiple client scenarios. You will help define remediation priorities, align actions with ISO 27001 and NIST controls, implement hardening guidelines, and strengthen infrastructure security across Windows, Linux, servers, and network systems. Your work will be executed in partnership with the clients teams to ensure durable improvements in their security posture.

Keywords for Search and Alignment:

  • Vulnerability Management, Qualys, Nessus, Rapid7, ISO 27001, NIST, Hardening, Risk Analysis, Networks, Linux, Windows


If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

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